I upgraded this morning then ran off to work. I did run into one problem before I left, though. I use multiple desktops (generally 4). After a clean reboot (which the install was), I'll often launch the various applications, then move their windows around. So Terminal, Safari, and Chrome got started in Desktop 1. I moved some of Chrome's windows to desktop 4 and some to desktop 3. I then messed around in Safari for a bit (desktop 2) and Terminal (1), and then tried to go back to 3. Every time I tried to go to 3, I got redirected to 1 (but Chrome remained the active application).
I do not have the "When switching to an application, switch to a desktop with that application's windows" checkbox checked. I tried checking it, and the behavior didn't change. I un-checked it again, quit Chrome, and then went to desktop 3 and re-launched it. That seemed to resolve the "always switching away from desktop 3" behavior, but... Having to quit an app to be able to reach it kinda sucks.
That's the only issue I encountered before heading off to work.